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Solution


Q.

Read the passage carefully and answer the following questions from (i) to (v):

The nature of the covalent bond enables carbon to form a large number of compounds. Carbon has the unique ability to form bonds with other atoms of carbon, giving rise to large molecules. Since carbon has a valency of four, it is capable of bonding with four other atoms of carbon or atoms of some other monovalent element.

 

(iv) A student while observing the properties of acetic acid would report that this smells like:
1 vinegar and turns red litmus blue  
2 rotten egg and turns red litmus blue  
3 vinegar and turns blue litmus red  
4 rotten egg and turns blue litmus red  

Ans.

(3)